If an SDK API call to request the COS service fails, the system will return the error information in the callback.
cos.headBucket({
Bucket: 'examplebucket-1250000000',
Region: 'COS_REGION', /* Bucket region. Required */
}, function(err, data) {
if (err) {
console.log(err.error);
}
});
Parameter | Description | Type |
---|---|---|
err | Network or service error returned when the request fails. If the request is successful, this parameter is empty. For more information, see Error Codes. | Object |
- error | Error message for the request | Object/String |
Parameter | Description | Type |
---|---|---|
err | Network or service error returned when the request fails. If the request is successful, this parameter is empty. For more information, see Error Codes. | Object |
- statusCode | HTTP status code, such as 200 , 403 , and 404 |
Number |
- headers | Headers | Object |
- error | Error information | Object/String |
- - Code | Error code returned by the body when the request fails. For more information, see Error Codes | String |
- - Message | Error message returned by the body when the request fails. For more information, see Error Codes | String |
- - RequestId | Unique ID of the request in the server request log that can be submitted when you contact us for troubleshooting | String |
COS provides a self-help diagnosis tool to help you quickly locate request problems and debug code.
RequestId
) returned when the request error occurs.RequestId
and click Diagnose.
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